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Finding the Fourth Proportional to 362,187,415.80, 543,281,123.70 and 362,187,415.80

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Solution

The fourth proportional to 362,187,415.80, 543,281,123.70 and 362,187,415.80 is: 543,281,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,187,415.80 : 543,281,123.70 = 362,187,415.80 : x
  2. Step 2: Convert to fraction form
    362,187,415.80/543,281,123.70 = 362,187,415.80/x
  3. Step 3: Cross multiply
    362,187,415.80x = 543,281,123.70 × 362,187,415.80
  4. Step 4: Simplify right side
    362,187,415.80x = 196,769,586,245,823,168
  5. Step 5: Solve for x
    x = 196,769,586,245,823,168/362,187,415.80
  6. Step 6: Final answer
    x = 543,281,123.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.